Menu-driven C program to find Factorial and Sum of digits – C Programming Me Ham Menu Driven Program Ko Create Karne Wale Hai, Jo Ye Program Switch Case Se Banayenge Or Isme Ham Find Factorial Or Sum Of Digits Find Karenge |
Also Read – Quadratic Equations Program
C Program to find Factorial and Sum of digits
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Example 1:
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
int main()
{
int choice;
int i,n,fact = 1,sum=0,d;
do
{
printf("\n1. Factorial");
printf("\n2. Sum of digits");
printf("\n3. Exit");
printf("\n\nYour Choice? : ");
scanf("%d",&choice);
switch(choice)
{
case 1:
printf("Enter a number to calculate it's factorial\n");
scanf("%d", &n);
for (i= 1; i <= n; i++)
fact = fact * i;
printf("Factorial of %d = %d\n", n, fact);
break;
case 2:
printf("\nEnter a Number to find the sum of digits : ");
scanf("%d",&n);
sum=0;
while(n>0)
{
d=n%10;
sum=sum+d;
n=n/10;
}
printf("\nThe sum of digits of the number is %d ",sum);
break;
default:
exit(0);
}
}
while(1);
getch();
}Output:
1. Factorial 2. Sum of Digits 3. Exit Your Choice? : 1 Enter a number to calculate it's factorial 3 Factorial of 3 = 6 1. Factorial 2. Sum of Digits 3. Exit Your Choice? : 2 Enter a Number to find the sum of digits : 4 5 The sum of digits of the number is 9 1. Factorial 2. Sum of Digits 3. Exit Your Choice? :
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